Unlocking Chemistry

Transforming PFAS Analytical Results into Defensible Source Attribution

PFAS are increasingly common in environmental liability matters, and simple detection is no longer sufficient. For attorneys, land redevelopers, and insurance risk managers, the critical—and often costly—question is not whether PFAS are present, but where they originated and who bears responsibility. Answering those questions requires environmental forensics to distinguish separate plumes and support defensible source attribution. Langan is at the forefront of untangling PFAS datasets to demystify sources and provide clear decision paths on remediation and redevelopment projects.

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PFAS Q&A: Understanding Commingled Plumes
What is a “commingled plume,” and why does it matter in PFAS investigations?